drop exa

don't provide accel in this framework

4 files changed, 1 insertions, 880 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index e3cc3cc..23e78b7 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -38,7 +38,6 @@ modesetting_drv_la_SOURCES = \
 	 driver.h \
 	 output.c \
 	 crtc.c \
-	 exa.c \
 	 dri2.c
 
 EXTRA_DIST =
diff --git a/src/driver.c b/src/driver.c
index 0e6f4c8..6b70d4b 100644
--- a/src/driver.c
+++ b/src/driver.c
@@ -126,16 +126,6 @@ static const OptionInfoRec Options[] = {
     {-1, NULL, OPTV_NONE, {0}, FALSE}
 };
 
-static const char *exaSymbols[] = {
-    "exaGetVersion",
-    "exaDriverInit",
-    "exaDriverFini",
-    "exaOffscreenAlloc",
-    "exaOffscreenFree",
-    "exaWaitSync",
-    NULL
-};
-
 static const char *fbSymbols[] = {
     "fbPictureInit",
     "fbScreenInit",
@@ -188,7 +178,7 @@ Setup(pointer module, pointer opts, int *errmaj, int *errmin)
 	 * Tell the loader about symbols from other modules that this module
 	 * might refer to.
 	 */
-	LoaderRefSymLists(exaSymbols, fbSymbols, ddcSymbols, NULL);
+	LoaderRefSymLists(fbSymbols, ddcSymbols, NULL);
 
 	/*
 	 * The return value must be non-NULL on success even though there
@@ -415,14 +405,11 @@ CreateFrontBuffer(ScrnInfoPtr pScrn)
     Bool fbAccessDisabled;
     int flags;
 
-    ms->noEvict = TRUE;
     pScreen->ModifyPixmapHeader(rootPixmap,
 				pScrn->virtualX, pScrn->virtualY,
 				pScrn->depth, pScrn->bitsPerPixel,
 				pScrn->displayWidth * pScrn->bitsPerPixel / 8,
 				NULL);
-    ms->noEvict = FALSE;
-
     drmModeAddFB(ms->fd,
 		 pScrn->virtualX,
 		 pScrn->virtualY,
@@ -633,8 +620,6 @@ PreInit(ScrnInfoPtr pScrn, int flags)
 
     xf86LoaderReqSymLists(fbSymbols, NULL);
 
-    xf86LoadSubModule(pScrn, "exa");
-
 #ifdef DRI2
     xf86LoadSubModule(pScrn, "dri2");
 #endif
@@ -667,8 +652,6 @@ CreateScreenResources(ScreenPtr pScreen)
     Bool ret;
     int flags;
 
-    ms->noEvict = TRUE;
-
     pScreen->CreateScreenResources = ms->createScreenResources;
     ret = pScreen->CreateScreenResources(pScreen);
     pScreen->CreateScreenResources = CreateScreenResources;
@@ -678,8 +661,6 @@ CreateScreenResources(ScreenPtr pScreen)
     if (!pScreen->ModifyPixmapHeader(rootPixmap, -1, -1, -1, -1, -1, NULL))
 	FatalError("Couldn't adjust screen pixmap\n");
 
-    ms->noEvict = FALSE;
-
     drmModeAddFB(ms->fd,
 		 pScrn->virtualX,
 		 pScrn->virtualY,
@@ -771,8 +752,6 @@ ScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
 
     xf86SetBlackWhitePixels(pScreen);
 
-    ms->exa = ExaInit(pScrn);
-
     miInitializeBackingStore(pScreen);
     xf86SetBackingStore(pScreen);
     xf86SetSilkenMouse(pScreen);
@@ -933,9 +912,6 @@ CloseScreen(int scrnIndex, ScreenPtr pScreen)
 
     pScreen->CreateScreenResources = ms->createScreenResources;
 
-    if (ms->exa)
-	ExaClose(pScrn);
-
     drmClose(ms->fd);
     ms->fd = -1;
 
diff --git a/src/driver.h b/src/driver.h
index 5b31188..a673f8f 100644
--- a/src/driver.h
+++ b/src/driver.h
@@ -32,7 +32,6 @@
 #include <xf86drm.h>
 #include <xf86drmMode.h>
 #include <xf86mm.h>
-#include "exa.h"
 
 #define DRV_ERROR(msg)	xf86DrvMsg(pScrn->scrnIndex, X_ERROR, msg);
 
@@ -71,10 +70,7 @@ typedef struct _modesettingRec
 
     CreateScreenResourcesProcPtr createScreenResources;
 
-    /* exa */
-    void *exa;
     void *driver;
-    Bool noEvict;
 
     /* dri2 */
     drm_context_t context;
diff --git a/src/exa.c b/src/exa.c
deleted file mode 100644
index f688472..0000000
--- a/src/exa.c
+++ /dev/null
@@ -1,850 +0,0 @@
-/*
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- *
- * Author: Alan Hourihane <alanh@tungstengraphics.com>
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-/* FIXME ! */
-#define DRI_DRIVER_PATH "/ISO/X.Org/modular/i386/lib/dri"
-
-#include "xf86.h"
-#include "xf86_OSproc.h"
-#include "driver.h"
-#include <dlfcn.h>
-
-#include "pipe/p_winsys.h"
-#include "pipe/p_format.h"
-#include "pipe/p_context.h"
-#include "pipe/p_util.h"
-#include "pipe/p_state.h"
-#include "pipe/p_inlines.h"
-
-/* EXA winsys */
-struct exa_context
-{
-};
-
-struct exa_winsys
-{
-    struct pipe_winsys base;
-    modesettingPtr ms;
-};
-
-struct exa_buffer
-{
-    struct pipe_buffer base;
-    drmBO bo;
-    boolean userBuffer;	/** Is this a user-space buffer? */
-    //void *data;
-    //void *mapped;
-};
-
-struct exa_surface
-{
-    struct pipe_surface surface;
-};
-
-struct exa_entity
-{
-    ExaDriverPtr pExa;
-    struct exa_context *c;
-    struct pipe_winsys *ws;
-    struct pipe_context *ctx;
-    struct pipe_screen *scrn;
-};
-
-static INLINE struct exa_winsys *
-exa_get_winsys(struct pipe_winsys *ws)
-{
-    return (struct exa_winsys *)ws;
-}
-
-static INLINE struct exa_surface *
-exa_get_surface(struct pipe_surface *ps)
-{
-    return (struct exa_surface *)ps;
-}
-
-static INLINE struct exa_buffer *
-exa_get_buffer(struct pipe_buffer *buf)
-{
-    return (struct exa_buffer *)buf;
-}
-
-static void *
-exa_buffer_map(struct pipe_winsys *pws, struct pipe_buffer *buf,
-	       unsigned flags)
-{
-    struct exa_buffer *exa_buf = exa_get_buffer(buf);
-    struct exa_winsys *exa_winsys = exa_get_winsys(pws);
-    void *virtual;
-
-    drmBOMap(exa_winsys->ms->fd,
-	     &exa_buf->bo, DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &virtual);
-
-    return virtual;
-}
-
-static void
-exa_buffer_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf)
-{
-    struct exa_buffer *exa_buf = exa_get_buffer(buf);
-    struct exa_winsys *exa_winsys = exa_get_winsys(pws);
-
-    drmBOUnmap(exa_winsys->ms->fd, &exa_buf->bo);
-}
-
-static void
-exa_buffer_destroy(struct pipe_winsys *pws, struct pipe_buffer *buf)
-{
-    struct exa_winsys *exa_winsys = exa_get_winsys(pws);
-    struct exa_buffer *exa_buf = exa_get_buffer(buf);
-
-    drmBOUnreference(exa_winsys->ms->fd, &exa_buf->bo);
-
-    free(exa_buf);
-}
-
-static void
-exa_flush_frontbuffer(struct pipe_winsys *pws,
-		      struct pipe_surface *surf, void *context_private)
-{
-    struct exa_buffer *exa_buf = exa_get_buffer(surf->buffer);
-
-    ErrorF("WANT TO FLUSH\n");
-}
-
-static const char *
-exa_get_name(struct pipe_winsys *pws)
-{
-    return "EXA";
-}
-
-static struct pipe_buffer *
-exa_buffer_create(struct pipe_winsys *pws,
-		  unsigned alignment, unsigned usage, unsigned size)
-{
-    struct exa_buffer *buffer = xcalloc(1, sizeof(struct exa_buffer));
-    struct exa_winsys *exa_winsys = exa_get_winsys(pws);
-    unsigned int flags = 0;
-
-    buffer->base.refcount = 1;
-    buffer->base.alignment = alignment;
-    buffer->base.usage = usage;
-    buffer->base.size = size;
-
-    if (exa_winsys->ms->noEvict) {
-	flags = DRM_BO_FLAG_NO_EVICT;
-	ErrorF("DISPLAY TARGET\n");
-    }
-
-    ErrorF("SIZE %d %d\n", size, alignment);
-    if (!buffer->bo.handle) {
-	// buffer->data = align_malloc(size, alignment);
-	drmBOCreate(exa_winsys->ms->fd, size, 0, NULL,
-		    DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE |
-		    DRM_BO_FLAG_SHAREABLE | DRM_BO_FLAG_MEM_TT |
-		    DRM_BO_FLAG_MAPPABLE | flags,
-		    0, &buffer->bo);
-    }
-
-    return &buffer->base;
-}
-
-static struct pipe_buffer *
-exa_user_buffer_create(struct pipe_winsys *pws, void *ptr, unsigned bytes)
-{
-    struct exa_buffer *buffer = xcalloc(1, sizeof(struct exa_buffer));
-
-    buffer->base.refcount = 1;
-    buffer->base.size = bytes;
-    buffer->userBuffer = TRUE;
-    //buffer->data = ptr;
-    ErrorF("USERBUFFER\n");
-
-    return &buffer->base;
-}
-
-/**
- * Round n up to next multiple.
- */
-static INLINE unsigned
-round_up(unsigned n, unsigned multiple)
-{
-    return (n + multiple - 1) & ~(multiple - 1);
-}
-
-static int
-exa_surface_alloc_storage(struct pipe_winsys *winsys,
-			  struct pipe_surface *surf,
-			  unsigned width, unsigned height,
-			  enum pipe_format format,
-			  unsigned flags, unsigned tex_usage)
-{
-    const unsigned alignment = 64;
-
-    surf->width = width;
-    surf->height = height;
-    surf->format = format;
-    pf_get_block(format, &surf->block);
-    surf->stride = round_up(surf->nblocksx * surf->block.size, alignment);
-
-    assert(!surf->buffer);
-    surf->buffer = winsys->buffer_create(winsys, alignment,
-					 PIPE_BUFFER_USAGE_PIXEL,
-					 surf->stride * height);
-    if (!surf->buffer)
-	return -1;
-
-    return 0;
-}
-
-/**
- * Called via winsys->surface_alloc() to create new surfaces.
- */
-static struct pipe_surface *
-exa_surface_alloc(struct pipe_winsys *ws)
-{
-    struct exa_surface *wms = xcalloc(1, sizeof(struct exa_surface));
-
-    assert(ws);
-
-    wms->surface.refcount = 1;
-    wms->surface.winsys = ws;
-
-    return &wms->surface;
-}
-
-static void
-exa_surface_release(struct pipe_winsys *winsys, struct pipe_surface **s)
-{
-    struct pipe_surface *surf = *s;
-
-    surf->refcount--;
-    if (surf->refcount == 0) {
-	if (surf->buffer)
-	    pipe_buffer_reference(winsys, &surf->buffer, NULL);
-	free(surf);
-    }
-    *s = NULL;
-}
-
-/*
- * Fence functions - basically nothing to do, as we don't create any actual
- * fence objects.
- */
-static void
-exa_fence_reference(struct pipe_winsys *sws, struct pipe_fence_handle **ptr,
-		    struct pipe_fence_handle *fence)
-{
-}
-
-static int
-exa_fence_signalled(struct pipe_winsys *sws, struct pipe_fence_handle *fence,
-		    unsigned flag)
-{
-    return 0;
-}
-
-static int
-exa_fence_finish(struct pipe_winsys *sws, struct pipe_fence_handle *fence,
-		 unsigned flag)
-{
-    return 0;
-}
-
-struct pipe_winsys *
-exa_get_pipe_winsys(modesettingPtr ms)
-{
-    static struct exa_winsys *ws = NULL;
-
-    if (!ws) {
-	ws = xcalloc(1, sizeof(struct exa_winsys));
-
-	/* Fill in this struct with callbacks that pipe will need to
-	 * communicate with the window system, buffer manager, etc. 
-	 */
-	ws->base.buffer_create = exa_buffer_create;
-	ws->base.user_buffer_create = exa_user_buffer_create;
-	ws->base.buffer_map = exa_buffer_map;
-	ws->base.buffer_unmap = exa_buffer_unmap;
-	ws->base.buffer_destroy = exa_buffer_destroy;
-
-	ws->base.surface_alloc = exa_surface_alloc;
-	ws->base.surface_alloc_storage = exa_surface_alloc_storage;
-	ws->base.surface_release = exa_surface_release;
-
-	ws->base.fence_reference = exa_fence_reference;
-	ws->base.fence_signalled = exa_fence_signalled;
-	ws->base.fence_finish = exa_fence_finish;
-
-	ws->base.flush_frontbuffer = exa_flush_frontbuffer;
-	ws->base.get_name = exa_get_name;
-
-	ws->ms = ms;
-    }
-
-    return &ws->base;
-}
-
-/* EXA functions */
-
-struct PixmapPriv
-{
-    drmBO bo;
-#if 0
-    dri_fence *fence;
-#endif
-    int flags;
-
-    struct pipe_texture *tex;
-    unsigned int color;
-    struct pipe_surface *src_surf;     /* for copies */
-};
-
-static enum pipe_format
-exa_get_pipe_format(int depth)
-{
-    switch (depth) {
-    case 32:
-    case 24:
-	return PIPE_FORMAT_A8R8G8B8_UNORM;
-    case 16:
-	return PIPE_FORMAT_R5G6B5_UNORM;
-    case 15:
-	return PIPE_FORMAT_A1R5G5B5_UNORM;
-    case 8:
-    case 4:
-    case 1:
-	return PIPE_FORMAT_A8R8G8B8_UNORM;	/* bad bad bad */
-    default:
-	assert(0);
-	return 0;
-    }
-}
-
-/*
- * EXA functions
- */
-
-static void
-ExaWaitMarker(ScreenPtr pScreen, int marker)
-{
-}
-
-static int
-ExaMarkSync(ScreenPtr pScreen)
-{
-    return 1;
-}
-
-Bool
-ExaPrepareAccess(PixmapPtr pPix, int index)
-{
-    ScreenPtr pScreen = pPix->drawable.pScreen;
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-    modesettingPtr ms = modesettingPTR(pScrn);
-    PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
-    struct exa_entity *exa = ms->exa;
-    struct PixmapPriv *priv;
-    int ret;
-
-    priv = exaGetPixmapDriverPrivate(pPix);
-
-    if (!priv)
-	return FALSE;
-
-    if (!priv->tex)
-	return FALSE;
-    {
-	struct pipe_surface *surf =
-	    exa->scrn->get_tex_surface(exa->scrn, priv->tex, 0, 0, 0,
-				       PIPE_BUFFER_USAGE_CPU_READ |
-				       PIPE_BUFFER_USAGE_CPU_WRITE);
-	pPix->devPrivate.ptr =
-	    exa->scrn->surface_map(exa->scrn, surf,
-				   PIPE_BUFFER_USAGE_CPU_READ |
-				   PIPE_BUFFER_USAGE_CPU_WRITE);
-	exa->scrn->tex_surface_release(exa->scrn, &surf);
-    }
-
-    return TRUE;
-}
-
-void
-ExaFinishAccess(PixmapPtr pPix, int index)
-{
-    ScreenPtr pScreen = pPix->drawable.pScreen;
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-    modesettingPtr ms = modesettingPTR(pScrn);
-    PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
-    struct PixmapPriv *priv;
-    struct exa_entity *exa = ms->exa;
-    int ret;
-
-    priv = exaGetPixmapDriverPrivate(pPix);
-
-    if (!priv)
-	return;
-
-    if (!priv->tex)
-	return;
-    {
-	struct pipe_surface *surf =
-	    exa->scrn->get_tex_surface(exa->scrn, priv->tex, 0, 0, 0,
-				       PIPE_BUFFER_USAGE_CPU_READ |
-				       PIPE_BUFFER_USAGE_CPU_WRITE);
-	exa->scrn->surface_unmap(exa->scrn, surf);
-	exa->scrn->tex_surface_release(exa->scrn, &surf);
-	pPix->devPrivate.ptr = NULL;
-    }
-}
-
-static void
-ExaDone(PixmapPtr pPixmap)
-{
-    ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
-    modesettingPtr ms = modesettingPTR(pScrn);
-    struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pPixmap);
-    struct exa_entity *exa = ms->exa;
-
-    if (!priv)
-	return;
-
-    if (priv->src_surf)
-	exa->scrn->tex_surface_release(exa->scrn, &priv->src_surf);
-    priv->src_surf = NULL;
-}
-
-static void
-ExaDoneComposite(PixmapPtr pPixmap)
-{
-    ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
-}
-
-static Bool
-ExaPrepareSolid(PixmapPtr pPixmap, int alu, Pixel planeMask, Pixel fg)
-{
-    ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
-    modesettingPtr ms = modesettingPTR(pScrn);
-    struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pPixmap);
-    struct exa_entity *exa = ms->exa;
-
-    if (pPixmap->drawable.depth < 15)
-	return FALSE;
-
-    if (!EXA_PM_IS_SOLID(&pPixmap->drawable, planeMask))
-	return FALSE;
-
-    if (!priv || !priv->tex)
-	return FALSE;
-
-    if (alu != GXcopy)
-	return FALSE;
-
-    if (!exa->ctx || !exa->ctx->surface_fill)
-	return FALSE;
-
-    priv->color = fg;
-
-    return TRUE;
-}
-
-static void
-ExaSolid(PixmapPtr pPixmap, int x0, int y0, int x1, int y1)
-{
-    ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
-    modesettingPtr ms = modesettingPTR(pScrn);
-    struct exa_entity *exa = ms->exa;
-    struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pPixmap);
-    struct pipe_surface *surf =
-	exa->scrn->get_tex_surface(exa->scrn, priv->tex, 0, 0, 0,
-				   PIPE_BUFFER_USAGE_GPU_READ |
-				   PIPE_BUFFER_USAGE_GPU_WRITE);
-
-    exa->ctx->surface_fill(exa->ctx, surf, x0, y0, x1 - x0, y1 - y0,
-			   priv->color);
-
-    exa->scrn->tex_surface_release(exa->scrn, &surf);
-}
-
-static Bool
-ExaPrepareCopy(PixmapPtr pSrcPixmap, PixmapPtr pDstPixmap, int xdir,
-	       int ydir, int alu, Pixel planeMask)
-{
-    ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
-    modesettingPtr ms = modesettingPTR(pScrn);
-    struct exa_entity *exa = ms->exa;
-    struct pipe_surface *src_surf;
-    struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
-    struct PixmapPriv *src_priv = exaGetPixmapDriverPrivate(pSrcPixmap);
-
-    if (alu != GXcopy)
-	return FALSE;
-
-    if (pSrcPixmap->drawable.depth < 15 || pDstPixmap->drawable.depth < 15)
-	return FALSE;
-
-    if (!EXA_PM_IS_SOLID(&pSrcPixmap->drawable, planeMask))
-	return FALSE;
-
-    if (!priv || !src_priv)
-	return FALSE;
-
-    if (!priv->tex || !src_priv->tex)
-	return FALSE;
-
-    if (!exa->ctx || !exa->ctx->surface_copy)
-	return FALSE;
-
-    priv->src_surf =
-	exa->scrn->get_tex_surface(exa->scrn, src_priv->tex, 0, 0, 0,
-				   PIPE_BUFFER_USAGE_GPU_READ |
-				   PIPE_BUFFER_USAGE_GPU_WRITE);
-
-    return FALSE;
-}
-
-static void
-ExaCopy(PixmapPtr pDstPixmap, int srcX, int srcY, int dstX, int dstY,
-	int width, int height)
-{
-    ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
-    modesettingPtr ms = modesettingPTR(pScrn);
-    struct exa_entity *exa = ms->exa;
-    struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
-    struct pipe_surface *surf =
-	exa->scrn->get_tex_surface(exa->scrn, priv->tex, 0, 0, 0,
-				   PIPE_BUFFER_USAGE_GPU_READ |
-				   PIPE_BUFFER_USAGE_GPU_WRITE);
-
-    exa->ctx->surface_copy(exa->ctx, 0, surf, dstX, dstY, priv->src_surf,
-			   srcX, srcY, width, height);
-    exa->scrn->tex_surface_release(exa->scrn, &surf);
-}
-
-static Bool
-ExaPrepareComposite(int op, PicturePtr pSrcPicture,
-		    PicturePtr pMaskPicture, PicturePtr pDstPicture,
-		    PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
-{
-    ScreenPtr pScreen = pDst->drawable.pScreen;
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-
-    return FALSE;
-}
-
-static Bool
-ExaUploadToScreen(PixmapPtr pDst, int x, int y, int w, int h, char *src,
-		  int src_pitch)
-{
-    ScreenPtr pScreen = pDst->drawable.pScreen;
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-
-    ErrorF("UPLOAD\n");
-
-    return FALSE;
-}
-
-static void
-ExaComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
-	     int dstX, int dstY, int width, int height)
-{
-    ScreenPtr pScreen = pDst->drawable.pScreen;
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-}
-
-static Bool
-ExaCheckComposite(int op,
-		  PicturePtr pSrcPicture, PicturePtr pMaskPicture,
-		  PicturePtr pDstPicture)
-{
-    DrawablePtr pDraw = pSrcPicture->pDrawable;
-    int w = pDraw->width;
-    int h = pDraw->height;
-
-    return FALSE;
-}
-
-static void *
-ExaCreatePixmap(ScreenPtr pScreen, int size, int align)
-{
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-    modesettingPtr ms = modesettingPTR(pScrn);
-    struct PixmapPriv *priv;
-    void *virtual;
-
-    priv = xcalloc(1, sizeof(struct PixmapPriv));
-    if (!priv)
-	return NULL;
-
-    return priv;
-}
-
-static void
-ExaDestroyPixmap(ScreenPtr pScreen, void *dPriv)
-{
-    struct PixmapPriv *priv = (struct PixmapPriv *)dPriv;
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-    modesettingPtr ms = modesettingPTR(pScrn);
-    struct exa_entity *exa = ms->exa;
-
-    if (!priv)
-	return;
-
-    if (priv->tex)
-	exa->scrn->texture_release(exa->scrn, &priv->tex);
-
-    xfree(priv);
-}
-
-static Bool
-ExaPixmapIsOffscreen(PixmapPtr pPixmap)
-{
-    struct PixmapPriv *priv;
-    ScreenPtr pScreen = pPixmap->drawable.pScreen;
-    PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
-
-    priv = exaGetPixmapDriverPrivate(pPixmap);
-
-    if (!priv)
-	return FALSE;
-
-    if (priv->tex)
-	return TRUE;
-
-    return FALSE;
-}
-
-/* FIXME !! */
-unsigned int
-driGetPixmapHandle(PixmapPtr pPixmap, unsigned int *flags)
-{
-    ScreenPtr pScreen = pPixmap->drawable.pScreen;
-    PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-    modesettingPtr ms = modesettingPTR(pScrn);
-    struct exa_entity *exa = ms->exa;
-    struct exa_buffer *exa_buf;
-    struct pipe_surface *surf;
-    struct PixmapPriv *priv;
-
-    *flags = 0;
-
-    if (!ms->exa) {
-	FatalError("NO MS->EXA\n");
-	return 0;
-    }
-
-    priv = exaGetPixmapDriverPrivate(pPixmap);
-
-    if (!priv) {
-	FatalError("NO PIXMAP PRIVATE\n");
-	return 0;
-    }
-
-    surf =
-	exa->scrn->get_tex_surface(exa->scrn, priv->tex, 0, 0, 0,
-				   PIPE_BUFFER_USAGE_CPU_READ |
-				   PIPE_BUFFER_USAGE_CPU_WRITE);
-    exa_buf = exa_get_buffer(surf->buffer);
-    exa->scrn->tex_surface_release(exa->scrn, &surf);
-
-    if (exa_buf->bo.handle)
-	return exa_buf->bo.handle;
-
-    return 0;
-}
-
-static Bool
-ExaModifyPixmapHeader(PixmapPtr pPixmap, int width, int height,
-		      int depth, int bitsPerPixel, int devKind,
-		      pointer pPixData)
-{
-    ScreenPtr pScreen = pPixmap->drawable.pScreen;
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-    struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pPixmap);
-    modesettingPtr ms = modesettingPTR(pScrn);
-    PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
-    struct exa_entity *exa = ms->exa;
-
-    if (!priv)
-	return FALSE;
-
-    if (depth <= 0)
-	depth = pPixmap->drawable.depth;
-
-    if (bitsPerPixel <= 0)
-	bitsPerPixel = pPixmap->drawable.bitsPerPixel;
-
-    if (width <= 0)
-	width = pPixmap->drawable.width;
-
-    if (height <= 0)
-	height = pPixmap->drawable.height;
-
-    if (width <= 0 || height <= 0 || depth <= 0)
-	return FALSE;
-
-    miModifyPixmapHeader(pPixmap, width, height, depth,
-			     bitsPerPixel, devKind, NULL);
-
-    /* Deal with screen resize */
-    if (priv->tex) {
-	struct pipe_surface *surf =
-	    exa->scrn->get_tex_surface(exa->scrn, priv->tex, 0, 0, 0,
-				       PIPE_BUFFER_USAGE_CPU_READ |
-				       PIPE_BUFFER_USAGE_CPU_WRITE);
-
-	ErrorF("RESIZE %d %d to %d %d\n", surf->width, surf->height, width,
-	       height);
-	if (surf->width != width || surf->height != height) {
-	    exa->scrn->texture_release(exa->scrn, &priv->tex);
-	    priv->tex = NULL;
-	}
-	exa->scrn->tex_surface_release(exa->scrn, &surf);
-    }
-
-    if (!priv->tex) {
-	struct pipe_texture template;
-
-	memset(&template, 0, sizeof(template));
-	template.target = PIPE_TEXTURE_2D;
-	template.compressed = 0;
-	template.format = exa_get_pipe_format(depth);
-	pf_get_block(template.format, &template.block);
-	template.width[0] = width;
-	template.height[0] = height;
-	template.depth[0] = 1;
-	template.last_level = 0;
-	template.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
-	priv->tex = exa->scrn->texture_create(exa->scrn, &template);
-    }
-
-    return TRUE;
-}
-
-void
-ExaClose(ScrnInfoPtr pScrn)
-{
-    modesettingPtr ms = modesettingPTR(pScrn);
-    struct exa_entity *exa = ms->exa;
-
-    exaDriverFini(pScrn->pScreen);
-
-    dlclose(ms->driver);
-}
-
-void *
-ExaInit(ScrnInfoPtr pScrn)
-{
-    modesettingPtr ms = modesettingPTR(pScrn);
-    struct exa_entity *exa;
-    ExaDriverPtr pExa;
-
-    exa = xcalloc(1, sizeof(struct exa_entity));
-    if (!exa)
-	return NULL;
-
-    pExa = exaDriverAlloc();
-    if (!pExa) {
-	goto out_err;
-    }
-
-    memset(pExa, 0, sizeof(*pExa));
-    pExa->exa_major = 2;
-    pExa->exa_minor = 4;
-    pExa->memoryBase = 0;
-    pExa->memorySize = 0;
-    pExa->offScreenBase = 0;
-    pExa->pixmapOffsetAlign = 0;
-    pExa->pixmapPitchAlign = 1;
-    pExa->flags = EXA_OFFSCREEN_PIXMAPS | EXA_HANDLES_PIXMAPS;
-    pExa->maxX = 8191;		       /* FIXME */
-    pExa->maxY = 8191;		       /* FIXME */
-    pExa->WaitMarker = ExaWaitMarker;
-    pExa->MarkSync = ExaMarkSync;
-    pExa->PrepareSolid = ExaPrepareSolid;
-    pExa->Solid = ExaSolid;
-    pExa->DoneSolid = ExaDone;
-    pExa->PrepareCopy = ExaPrepareCopy;
-    pExa->Copy = ExaCopy;
-    pExa->DoneCopy = ExaDone;
-    pExa->CheckComposite = ExaCheckComposite;
-    pExa->PrepareComposite = ExaPrepareComposite;
-    pExa->Composite = ExaComposite;
-    pExa->DoneComposite = ExaDoneComposite;
-    pExa->PixmapIsOffscreen = ExaPixmapIsOffscreen;
-    pExa->PrepareAccess = ExaPrepareAccess;
-    pExa->FinishAccess = ExaFinishAccess;
-    pExa->UploadToScreen = ExaUploadToScreen;
-    pExa->CreatePixmap = ExaCreatePixmap;
-    pExa->DestroyPixmap = ExaDestroyPixmap;
-    pExa->ModifyPixmapHeader = ExaModifyPixmapHeader;
-
-    if (!exaDriverInit(pScrn->pScreen, pExa)) {
-	goto out_err;
-    }
-
-    {
-	char filename[128];
-	char dri_driver_path[] = DRI_DRIVER_PATH;
-
-	snprintf(filename, sizeof filename,
-		 "%s/%s_dri.so", dri_driver_path, "i915");
-
-	ms->driver = dlopen(filename, RTLD_NOW | RTLD_DEEPBIND | RTLD_GLOBAL);
-	if (!ms->driver)
-		FatalError("failed to initialize i915 - for softpipe only.\n");
-
-	exa->c = xcalloc(1, sizeof(struct exa_context));
-
-	exa->ws = exa_get_pipe_winsys(ms);
-	if (!exa->ws)
-		FatalError("BAD WINSYS\n");
-
-	exa->scrn = softpipe_create_screen(exa->ws);
-	if (!exa->scrn)
-		FatalError("BAD SCREEN\n");
-
-	exa->ctx = softpipe_create(exa->scrn, exa->ws, NULL);
-	if (!exa->ctx)
-	   	FatalError("BAD CTX\n");
-
-	exa->ctx->priv = exa->c;
-    }
-
-    return (void *)exa;
-
-  out_err:
-    ExaClose(pScrn);
-
-    return NULL;
-}